Publication number | US20070130041 A1 |

Publication type | Application |

Application number | US 11/296,611 |

Publication date | Jun 7, 2007 |

Filing date | Dec 7, 2005 |

Priority date | Dec 7, 2005 |

Also published as | US7925560 |

Publication number | 11296611, 296611, US 2007/0130041 A1, US 2007/130041 A1, US 20070130041 A1, US 20070130041A1, US 2007130041 A1, US 2007130041A1, US-A1-20070130041, US-A1-2007130041, US2007/0130041A1, US2007/130041A1, US20070130041 A1, US20070130041A1, US2007130041 A1, US2007130041A1 |

Inventors | Vasily Strela, Matthew Grayson |

Original Assignee | Vasily Strela, Matthew Grayson |

Export Citation | BiBTeX, EndNote, RefMan |

Patent Citations (21), Referenced by (27), Classifications (4), Legal Events (3) | |

External Links: USPTO, USPTO Assignment, Espacenet | |

US 20070130041 A1

Abstract

Methods for calculating a value of a derivative based on a multiplicative index, where the multiplicative index is a multiple of an underlying index. The methods may comprise the steps of providing a first value of the underlying index and estimating a ratio of the multiplicative index over the underlying index as a first function of the underlying index over a first range of values of the underlying index. The method may also comprise the steps of calculating at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index. In addition, the method may comprise the steps of calculating a first value for the ratio given the first value of the underlying index, and calculating the value of the derivative for the first value of the ratio.

Claims(30)

providing a first value of the underlying index;

estimating a ratio of the multiplicative index over the underlying index as a first function of the underlying index over a first range of values of the underlying index;

calculating at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index;

calculating a first value for the ratio given the first value of the underlying index; and

calculating the value of the derivative for the first value of the ratio.

wherein F_{t,T }is the underlying index, and wherein the third range of values of the underlying index comprises the first range.

providing a first value of the underlying index;

estimating a relationship between the multiplicative index and the underlying index as a first function over a first range of values of the underlying index;

calculating at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index;

substituting the first function into a value function of the derivative to yield a value function that is a function of the underlying index; and

calculating the value of the derivative by computing the value function for the first value of the underlying index.

estimating the multiplicative index as a first function of the underlying index over a first range of values of the underlying index;

calculating at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index;

calculating a first value for the multiplicative index given a first value of the underlying index; and

calculating the value of the derivative for the first value of the multiplicative index.

a calculation module configured to:

estimate a relationship between the multiplicative index and the underlying index as a first function over a first range of values of the underlying index; and

calculate at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index; and

an application module configured to:

apply the first function to calculate a value of the derivative.

estimating a ratio of a multiplicative index over an underlying index as a first function of the underlying index over a first range of values of the underlying index, wherein the multiplicative index is a multiple of the underlying index;

calculating a first value for the ratio given the first value of the underlying index; and

calculating the value of the derivative for the first value of the ratio.

estimating a relationship between a multiplicative index and an underlying index as a first function over a first range of values of the underlying index, wherein the multiplicative index is a multiple of the underlying index;

substituting the first function into a value function of the derivative to yield a value function that is a function of the underlying index; and

calculating the value of the derivative by computing the value function for the first value of the underlying index.

Description

- [0001]Many financial assets are valued based on indices that are multiplicative spreads over underlying indices. For example, many financial assets are valued based on the BMA Municipal Swap Index (“the BMA rate”). The BMA rate is an indicator of the market interest rate for tax-exempt municipal bonds issued by state and local governments. The BMA rate can be expressed as the appropriate LIBOR rate multiplied by a ratio.
- [0002]Most existing models of the BMA rate and/or the ratio are based on the theory that the BMA rate is nothing more than the LIBOR rate corrected for the tax exempt status of municipal bonds in the United States. According to that theory, when the top marginal tax rate in the United States is 35%, the ratio of the BMA rate over LIBOR should be approximately 65%, (e.g., 100% minus 35% of the LIBOR rate). This leads to the theoretical assumptions that: (1) the ratio of BMA over LIBOR is constant; and (2) the volatility of BMA is equal to the volatility of LIBOR. In practice, however, there are significant conditions under which neither of these assumptions hold true. Accordingly, existing models are incapable of accurately modeling the BMA rate or the ratio of the BMA rate over LIBOR.
- [0003]According to one general aspect, embodiments of the present invention are directed to methods for calculating a value of a derivative based on a multiplicative index, where the multiplicative index is a multiple of an underlying index. The methods may comprise the steps of providing a first value of the underlying index and estimating the multiplicative index or a ratio of the multiplicative index over the underlying index as a first function of the underlying index over a first range of values of the underlying index. The methods may also comprise the step of calculating at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index. In addition, the methods may comprise the steps of calculating a first value for the multiplicative index or the ratio given the first value of the underlying index, and calculating the value of the derivative for the first value of the multiplicative index or the ratio.
- [0004]According to another general aspect, embodiments of the present invention are directed to methods for calculating a value of a derivative based on a multiplicative index, where the multiplicative index is a multiple of the underlying index. The methods may comprise the steps of providing a first value of the underlying index and estimating a relationship between the multiplicative index and the underlying index as a first function over a first range of values of the underlying index. The methods may also comprise the step of calculating at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index. In addition, the methods may comprise the steps of substituting the first function into a value function of the derivative to yield a value function that is a function of the underlying index, and calculating the value of the derivative by computing the value function for the first value of the underlying index.
- [0005]According to yet another general aspect, the present invention is directed to a system for calculating a value of a derivative based on a multiplicative index, where the multiplicative index is a multiple of the underlying index. The system may comprise a calculation module and an application module. The calculation module may be configured to estimate a relationship between the multiplicative index and the underlying index as a first function over a first range of values of the underlying index, and calculate at least one parameter of the first function by comparing the first function to historical values of the multiplicative index and the underlying index. The application module may be configured to apply the first function to calculate a value of the derivative.
- [0006]Embodiments of the present invention are described below by way of example in conjunction with the following figures, wherein:
- [0007]
FIG. 1 is a flow chart illustrating a process flow according to various embodiments; - [0008]
FIG. 2 is diagram of a curve according to various embodiments; - [0009]
FIG. 3 is a flow chart illustrating a process flow according to various embodiments; - [0010]
FIG. 4 is a diagram of an exemplary derivative according to various embodiments; and - [0011]
FIG. 5 is a diagram of a system according to various embodiments. - [0012]As used herein, the term “financial asset” refers to any non-physical item of economic value. Examples of financial assets include units of equity, fixed income assets, derivatives, any other securities, for example, as defined by the Securities Act of 1933, etc.
- [0013]As used herein, the term “derivative” refers to any kind of financial asset whose value is based on another financial asset, index, or other economic measure. Non-limiting examples of derivatives include caps, swaps, swaptions, exotic derivatives, etc.
- [0014]A multiplicative index is an economic measure, such as an interest rate, that can be expressed as an underlying index multiplied by a ratio of the multiplicative index over the underlying index. For example, the BMA rate is a multiplicative index that can be expressed as an underlying index (e.g., the LIBOR rate) times the ratio of the BMA rate over LIBOR. In various embodiments, the multiplicative index and the underlying index may have a similar term. For example, the BMA rate has a term of one week, so the seven day LIBOR rate may be used as its underlying index. Also, in various embodiments, longer term LIBOR rates may be used as the underlying index by setting the multiplicative index as a rolling average of BMA rate over the term of the LIBOR rate. For example, the thirty day LIBOR rate may be used as the underlying index for a four week rolling average of the BMA rate.
- [0015]Yield compression is a phenomenon exhibited by multiplicative indices where the ratio of the multiplicative index over its underlying index is dependent on the value of the underlying index. Accordingly, volatility of the multiplicative index is based on the volatility of the underlying rate, as well as the separate volatility of the ratio. For example, the value and volatility of the ratio of the BMA rate over LIBOR (the BMA/LIBOR ratio) shows a strong dependence on LIBOR. It will be appreciated that the type of dependence between the ratio and the underlying index may vary with different multiplicative/underlying index pairs. For example, with the BMA/LIBOR pair, when LIBOR is relatively high, the BMA/LIBOR ratio exhibits a low volatility and deviates only slightly from its historical values. On the other hand, when LIBOR is relatively low, the BMA/LIBOR ratio becomes considerably larger than its historical values and exhibits a high volatility.
- [0016]There are several potential economic mechanisms that may explain the behavior of the BMA/LIBOR pair. For example, one potential explanation holds that as LIBOR declines, BMA, which is a fraction of LIBOR, may be pushed so low that demand for instruments paying the BMA rate is destroyed. Accordingly, market forces may be responsible for pushing the BMA rate above its theoretical value to a level that restores demand. It will be appreciated, however, that various embodiments of the present methods and systems do not depend on this, or any other explanation of the behavior of multiplicative and underlying index pairs.
- [0017]
FIG. 1 shows a flow chart illustrating a process flow**100**for generating a model of a multiplicative index/underlying index ratio in terms of the underlying index according to various embodiments. The multiplicative and underlying indices may be any multiplicative and underlying index pair including, for example, the BMA rate and LIBOR. The model developed according to process flow**100**may be used to generate predicted values of derivatives based on the ratio and/or the multiplicative index, given values of the underlying index, as described below. Also, in various non-limiting embodiments, the models developed according to the process flow**100**may be used to generate more sophisticated models of financial assets (e.g., derivatives) based on the multiplicative index, for example, as described below with regard to process flow**300**. - [0018]Referring back to
FIG. 1 , at step**102**, the ratio of the multiplicative index over the underlying index is expressed as a function of the underlying index. This will allow the resulting model to consider the ratio's dependence on the underlying index. In various embodiments, the ratio (R_{t,T}) may be expressed in the form:$\begin{array}{cc}\begin{array}{c}{R}_{t,T}=\frac{{B}_{t,T}}{{F}_{t,T}}=f\left({F}_{t,T}\right)=\left({a}_{T}{F}_{t,T}^{2}+{b}_{T}{F}_{t,T}+{c}_{T}\right)\Theta \left({F}_{t,T}\right)+\\ \left({c}_{T}-\frac{{b}_{T}^{2}}{4{a}_{T}}\right)\left(1-\Theta \left({F}_{t,T}\right)\right)\end{array}\text{}\mathrm{where},\text{\ue891}\Theta \left({F}_{t,T}\right)=1,\mathrm{if}\text{\hspace{1em}}{F}_{t,T}\le -\frac{{b}_{T}}{2{a}_{T}};\text{}\Theta \left({F}_{t,T}\right)=0,\mathrm{if}\text{\hspace{1em}}{F}_{t,T}>-\frac{{b}_{T}}{2{a}_{T}};\mathrm{and}& \left(1\right)\end{array}$

where B_{t,T }is the multiplicative index and F_{t,T }is the underlying index. It will be appreciated that Equation 1 above is expressed as a quadratic/constant pair with a first quadratic range for low values of the underlying index$\left(e.g.,{F}_{t,T}\le -\frac{{b}_{T}}{2{a}_{T}}\right),$

and a second constant range representing higher values of the underlying index$\left(e.g.,{F}_{t,T}>-\frac{{b}_{T}}{2{a}_{T}}\right).$

This property may make Equation 1 particularly useful for modeling the BMA/LIBOR pair as well as other pairs where higher values of the underlying index bring about lower ratio values and volatility. - [0019]Although Equation 1 is expressed as a quadratic/constant pair, it will be appreciated that any polynomial, or other continuously differentiable function may be used to express the ratio of the multiplicative index over the underlying index as a function of the underlying index. The type of expression used may depend on the type of the relationship between the ratio and the underlying index. For example, in various embodiments, the ratio may be expressed as an exponential function of the underlying index.
- [0020]At step
**104**, parameters of the function of the ratio in terms of the underlying index may be calculated, for example, to achieve the best fit between the function and historical values of the multiplicative index and the underlying index and ratio. For example, the coefficients, a_{T}, b_{T}, c_{T}, of Equation 1 may be calculated. The parameters or coefficients may be found according to any suitable method. For example, in one non-limiting embodiment, the coefficients may be found according to a linear regression such as, for example, a least squares fitting. Actual calculation of the coefficients may, in various embodiments, be performed by a computer, for example, a computer included in the system**500**described in more detail below. - [0021]
FIG. 2 shows a diagram**200**of a curve**206**representing the ratio, R_{t,T }in terms of the underlying index, F_{t,T }according to various embodiments. For example, the curve**206**may represent an implementation of Equation 1 above. For values of F_{t,T }between zero (point**210**) and$-\frac{{b}_{F}}{2{a}_{T}}$

(point**208**), the curve**206**is shown as a quadratic function. For values of F_{t,T }greater than$-\frac{{b}_{F}}{2{a}_{T}}$

(point**208**), the curve**206**is shown as a constant. - [0022]It will be appreciated that Equation 1 may be solved in terms of the underlying index as shown by Equation 2 below:
$\begin{array}{cc}\begin{array}{c}{B}_{t,T}=\left({a}_{T}{F}_{t,T}^{2}+{b}_{T}{F}_{t,T}+{c}_{T}\right)\Theta \left({F}_{t,T}\right){F}_{t,T}+\\ \left({c}_{T}-\frac{{b}_{T}^{2}}{4{a}_{T}}\right)\left(1-\Theta \left({F}_{t,T}\right)\right){F}_{t,T}\end{array}\text{}\mathrm{where},\text{}\Theta \left({F}_{t,T}\right)=1\text{\hspace{1em}}\mathrm{if}\text{\hspace{1em}}{F}_{t,T}\le -\frac{{b}_{F}}{2{a}_{T}};\mathrm{and}\text{}\Theta \left({F}_{t,T}\right)=0\text{\hspace{1em}}\mathrm{if}\text{\hspace{1em}}{F}_{t,T}>-\frac{{b}_{F}}{2{a}_{T}}& \left(2\right)\end{array}$

Use of Equation 2 may facilitate the valuation of derivatives based on the multiplicative index including, for example, BMA rate caps, etc. - [0023]Referring back to
FIG. 1 , the value of a derivative based on the multiplicative index and/or the ratio may be found at step**106**. For example, a value of the underlying index may be provided. The value may represent an estimate of the underlying index at some point over the term of the derivative. Equations 1 and/or 2 may be solved for the provided value of the underlying index, leading to an estimate of the ratio and/or multiplicative index. The value of the derivative may then be found for each estimate of the ratio and or multiplicative index based on the terms of the derivative. - [0024]
FIG. 3 shows a flow chart of another process flow**300**for estimating the value of a derivative dependent on a multiplicative index and an underlying index according to various embodiments. The multiplicative and underlying indices may be any multiplicative and underlying index pair including, for example, the BMA rate and LIBOR. A payoff function for the derivative may be expressed at step**302**. The payoff function may be a function of the multiplicative index and the underlying index, for example, as shown in Equation 3 below:

P(B_{T,T},F_{T,T}) (3)

It will be appreciated that the form of the payoff function may vary depending on factors including, for example, the type of derivative being modeled. - [0025]At step
**304**, a value of the derivative, V(t), may be expressed. The value V(t) may be the expected value of the derivative's payoff function, as shown in Equation 4 below:$\begin{array}{cc}V\left(t\right)={N}_{t}{E}_{t}^{Q}\left[\frac{P\left({B}_{T,T},{F}_{T,T}\right)}{{N}_{T}}\right],& \left(4\right)\end{array}$

where N is a selected numeraire and Q is the equivalent martingale measure to N. As shown in Equation 4, V(t) is a function of the multiplicative index, B_{t,T}, and the underlying index F_{t,T}. At step**306**, V(t) may also be expressed in terms of the underlying index F_{t,T }and the ratio R_{t,T }by substituting the underlying index F_{t,T }multiplied by the ratio R_{t,T }for the multiplicative index B_{t,T }as shown in Equation 5:$\begin{array}{cc}V\left(t\right)={N}_{t}{E}_{t}^{Q}\left[\frac{P\left({R}_{T,T},{F}_{T,T},{F}_{T,T}\right)}{{N}_{T}}\right]& \left(5\right)\end{array}$

Substituting Equation 2 above into Equation 5 yields Equation 6:$\begin{array}{cc}V\left(t\right)={N}_{t}{E}_{t}^{Q}\left[P\left({F}_{T,T}\left({c}_{T}-\frac{{b}_{T}^{2}}{4{a}_{T}}\right)+\left({a}_{T}{F}_{T,T}^{3}+{b}_{T}{F}_{T,T}^{2}+\frac{{b}_{T}^{2}}{4{a}_{T}}{F}_{T,T}\right),{F}_{T,T}\right)/{N}_{T}\right]& \left(6\right)\end{array}$

Coefficients a_{T}, b_{T}, c_{T }of the Equation 6 may be calculated, for example, as described above with respect to Equation 2. When the coefficients are found, the value of the derivative for any value of the underlying index may be found by solving Equation 6 at step**308**. For example, a value of the underlying index may be provided. The value may represent an estimate of the underlying index at some point over the term of the derivative. Equation 6 may be solved for the provided value of the underlying index, leading to an estimate of the value of the derivative. - [0026]Derivative values calculated according to the process flows
**100**and**300**may be used by various parties to the derivatives as well as others interested in the derivatives, including analysts, regulators, financial engineers, etc.FIG. 4 shows a non-limiting example derivative**400**between a first party**402**and second party**404**based on a multiplicative/underlying index pair, here the BMA rate and LIBOR. Under a first leg**406**of the derivative, the first party**402**pays the second party**404**the BMA rate times a notional amount. Under a second leg**408**, the second party**404**pays first party**402**a fixed rate times the notional amount. It will be appreciated that any derivative based on a multiplicative index or ratio may be valued according to various embodiments, and that the derivative**400**is but one illustrative example. - [0027]A financial engineer, or other derivative designer, may use the derivative values found according to process flows
**100**and/or**300**to design a derivative. For example, using the derivative**400**as an example, the financial engineer may use the process flows**100**and/or**300**above to find the net payout of the derivative**400**for values of LIBOR expected during the term of the derivative**400**. Based on the results, the financial engineer may choose and/or modify a value for the fixed rate of leg**408**to bring about desired net payout characteristics. For example, the financial engineer may set the fixed rate so that net payout of the derivative for expected values of LIBOR is zero. The financial engineer may also set the fixed rate so that the net payout of the derivative favors first party**402**or second party**404**. - [0028]Other parties interested in a derivative, such as, for example, derivative
**400**, may also use derivative values found according to process flows**100**and/or**300**to determine the risk associated with the derivative and find an adequate hedge. For example, referring to the derivative**400**, the first party**404**has a short position on the BMA rate. The obvious hedge would be for the first party**404**to enter a derivative giving it a long position on the BMA rate. Such a hedge may not be available, though. Accordingly, the first party**404**may use the derivative values found according to process flow**100**and/or**300**above to find its risk associated with derivative**400**in terms of the underlying index, here, LIBOR. For example, knowing the payout of the derivative**400**for various values of LIBOR may allow the first party**404**to hedge the derivative**400**with a second, more readily available derivative based on the underlying index, here, LIBOR. - [0029]
FIG. 5 shows a diagram of a system**500**for finding the value of derivatives based on a multiplicative index as a function of an underlying index according to various embodiments. The multiplicative and underlying indices may be any multiplicative and underlying index pair including, for example, the BMA rate and LIBOR. The system**500**includes a computer**502**, which may be in communication with a database**510**. The computer**502**may receive input from and provide results to one or more client computers**504**via a network**508**. The network**508**may be any kind of wired or wireless network. - [0030]The computer
**502**itself may include modules**512**,**514**,**516**for performing tasks related to modeling the multiplicative index. The various modules**512**,**514**,**516**of the computer system**502**may be implemented as software code to be executed by a processor(s) of the computer**502**or any other computer system using any type of suitable computer instruction type. The software code may be stored as a series of instructions or commands on a computer readable medium. In various embodiments, the computer**502**, through modules**512**,**514**,**516**, may perform some or all of the respective steps of the process flows**100**and**300**described above. - [0031]The calculation module
**512**may perform various processing steps necessary to generate models of multiplicative indices and derivatives based thereon. In various embodiments, the calculation module**512**may prompt the client computer**504**to select the type of model to be developed. For example, the calculation module**512**may generate a model of the ratio and/or the multiplicative index, as described by process flow**100**above, a direct model of the value of a derivative, as described by process flow**300**above, or any other economic parameter based on the multiplicative index. In instances where the calculation module**512**is to directly model the value of a derivative, it may additionally prompt the client computer**504**for the type of derivative to be modeled. An equation representing the payoff and/or value of the derivative may then be acquired, for example, from database**510**. In various non-limiting embodiments, the computer**502**may prompt the client computer**504**for an equation representing the payoff and/or value function of the derivative. - [0032]The calculation module
**512**may also prompt the client computer**504**to select the function or functions that the model will utilize. For example, the calculation module**512**may derive a model that is quadratic in a first range and constant in a second rage, as described above. In various embodiments, however, the calculation module**512**may derive other models based on any combination of functions, (e.g., other polynomials, exponentials, etc.). The calculation module**512**may also derive parameters or coefficients for equations included in the models it develops by comparing the models to historical values of the multiplicative and underlying indices. The historical values may, in various embodiments, be stored at database**510**. - [0033]The system
**500**may also include an application module**514**. The application module**514**may apply the models developed by the calculation module**512**to generate concrete estimates of economic parameters including, for example, multiplicative indices, values of derivatives based on the multiplicative indices, etc. In various embodiments, the application module**514**may receive inputs including, for example, a value (e.g., a current value, expected value, etc.) of the underlying index. These inputs may be received from the client computer**504**, or in various embodiments, may be received from database**510**. The application module**512**may apply models by solving one or more equations given the value of the underlying index. - [0034]The system
**500**may also include a user interface module**516**. The user interface module may provide a user interface to the client computer**504**. A user of the client computer may access the user interface, for example, using browser software**506**. The user interface may provide output to the client computer**504**including, for example, the general form of models generated by the calculation module**512**and the results of estimates based on the multiplicative index generated by the application module**514**. The user interface generated by the user interface module**516**may also solicit input from the client computer**504**including, for example, type of model to be generated, the type of derivative to be modeled, the type of function to use in the model, etc. It will be appreciated that in various non-limiting embodiments, the computer**502**itself may include input and output devices (e.g., a monitor, keyboard, mouse, etc.) for providing a user interface. - [0035]It is to be understood that the figures and descriptions of the present invention have been simplified to illustrate elements that are relevant for a clear understanding of the present invention, while eliminating, for purposes of clarity, other elements, such as, for example, details of the software for implementing the various modules
**512**,**514**,**516**. However, because such elements are well known in the art and because they do not facilitate a better understanding of the present invention, a discussion of such elements is not provided herein. - [0036]As used herein, a “computer” or “computer system” may be, for example and without limitation, either alone or in combination, a personal computer (PC), server-based computer, main frame, server, microcomputer, minicomputer, laptop, personal data assistant (PDA), cellular phone, pager, processor, including wireless and/or wireline varieties thereof, and/or any other computerized device capable of configuration for processing data for stand-alone application and/or over a networked medium or media. Computers and computer systems disclosed herein may include operatively associated memory for storing certain software applications used in obtaining, processing, storing and/or communicating data. It can be appreciated that such memory can be internal, external, remote or local with respect to its operatively associated computer or computer system. Memory may also include any means for storing software or other instructions including, for example and without limitation, a hard disk, an optical disk, floppy disk, ROM (read only memory), RAM (random access memory), PROM (programmable ROM), EEPROM (extended erasable PROM), and/or other like computer-readable media.
- [0037]The term “computer-readable medium” as used herein may include, for example, magnetic and optical memory devices such as diskettes, compact discs of both read-only and writeable varieties, optical disk drives, and hard disk drives. A computer-readable medium may also include memory storage that can be physical, virtual, permanent, temporary, semi-permanent and/or semi-temporary. A computer-readable medium may further include one or more data signals transmitted on one or more carrier waves.
- [0038]While several embodiments of the invention have been described, it should be apparent that various modifications, alterations and adaptations to those embodiments may occur to persons skilled in the art with the attainment of some or all of the advantages of the present invention. It is therefore intended to cover all such modifications, alterations and adaptations without departing from the scope and spirit of the present invention as defined by the appended claims.

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Classifications

U.S. Classification | 705/36.00R |

International Classification | G06Q40/00 |

Cooperative Classification | G06Q40/06 |

European Classification | G06Q40/06 |

Legal Events

Date | Code | Event | Description |
---|---|---|---|

Jan 24, 2006 | AS | Assignment | Owner name: MORGAN STANLEY, NEW YORK Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:STRELA, VASILY;GRAYSON, MATTHEW;REEL/FRAME:017052/0859 Effective date: 20051206 |

Oct 23, 2012 | CC | Certificate of correction | |

Oct 13, 2014 | FPAY | Fee payment | Year of fee payment: 4 |

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